From f3808df0cdc4dfd5bdd0d558f404de5aeb911427 Mon Sep 17 00:00:00 2001
From: Andrey Golovizin <ag@sologoc.com>
Date: Thu, 28 Aug 2014 13:05:56 +0200
Subject: [PATCH] Add --skip option.

---
 pixelocr/gui/__init__.py  | 9 ++++++++-
 pixelocr/gui/ocrengine.py | 4 ++--
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/pixelocr/gui/__init__.py b/pixelocr/gui/__init__.py
index 339a681..ec603c3 100644
--- a/pixelocr/gui/__init__.py
+++ b/pixelocr/gui/__init__.py
@@ -17,6 +17,7 @@
 import sys
 import signal
 from threading import Thread
+from argparse import ArgumentParser
 
 import sip
 sip.setapi('QString', 2)
@@ -33,13 +34,19 @@ from .window import MainWindow
 from .ocrengine import OCREngine
 
 
+parser = ArgumentParser(description='PixelOCR')
+parser.add_argument('--skip', metavar='N', type=int, default=0)
+parser.add_argument('filename')
+
+
 def main():
     app = QApplication(sys.argv)
 
     QApplication.setOrganizationName("PixelOCR");
     QApplication.setApplicationName("PixelOCR");
 
-    ocr = OCREngine(sys.argv[1])
+    args = parser.parse_args()
+    ocr = OCREngine(args.filename, skip=args.skip)
     app.aboutToQuit.connect(ocr.save_glyphdb)
 
     win = MainWindow(ocr)
diff --git a/pixelocr/gui/ocrengine.py b/pixelocr/gui/ocrengine.py
index f94b7f4..a2fb696 100644
--- a/pixelocr/gui/ocrengine.py
+++ b/pixelocr/gui/ocrengine.py
@@ -33,10 +33,10 @@ class OCREngine(QThread):
     unknownGlyph = signal([Glyph])
     pageChanged = signal([Page])
 
-    def __init__(self, dirname):
+    def __init__(self, dirname, skip=0):
         super().__init__()
         self.dirname = dirname
-        self.filenames = sorted(glob(path.join(dirname, '*.png')))
+        self.filenames = sorted(glob(path.join(dirname, '*.png')))[skip:]
         self.glyphdb = GlyphDB(path.join(self.dirname, 'glyphdb.pickle'))
         self.help_queue = Queue()